The Pin-Rivet, cataloged under National Stock Number 5320-01-477-1657, is classified within Federal Supply Class 5320 (Rivets) of the Hardware and Abrasives group. The manufacturer of record is Hi-Shear Corporation. Government technical data includes 20 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5320-01-477-1657 |
| Primary Part Number | HL31-10-12 |
| Item Name | Pin-Rivet |
| FSC / FSG | 5320 / 53 — Rivets |
| Manufacturer | Hi-Shear Corporation |
| Status | ACTIVE |
| Shank Diameter | 0.127 INCHES MINIMUM AND 0.129 INCHES MAXIMUM IN |
| Lubrication | CETYL ALCOHOL |
| Fastener Length | 1.250 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | HI SHEAR 258 MFR REF ALL TREATMENT RESPONSES OVERALL |
| Material Document and Classification | AMS 628 ASSN STD ALL MATERIAL RESPONSES OVERALL |
| Head Style | FLUSH COUNTERSUNK |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.312 INCHES IN |
| Grip Length | 0.750 INCHES NOMINAL IN |
| Width Between Flats | 0.150 INCHES MINIMUM AND 0.170 INCHES MAXIMUM IN |
| Shank Style | PIN-RIVET, STRAIGHT, THREADED |
| Surface Treatment | PASSIVATE OVERALL |
| Minimum Tensile Strength | 7000 POUNDS PER SQUARE INCH LBS |
| Countersink Angle | 100.0 DEGREES NOMINAL |
| Shear Strength | 19160 DOUBLE POUNDS PER SQUARE INCH |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 24 |
| Material | STEEL CORROSION RESISTING OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Major Diameter | 0.468 INCHES MINIMUM AND 0.473 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| HL31-10-12 PRIMARY | Hi-Shear Corporation (USA) |
| HL31-10-12 PRIMARY | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
NSN 5320-01-477-1657 is a Pin-Rivet, manufactured by Hi-Shear Corporation, classified under FSC 5320, Rivets. Status: active.
NSN 5320-01-477-1657 has 2 manufacturer part numbers on file: HL31-10-12 (Hi-Shear Corporation), HL31-10-12 (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc).
Key specifications for HL31-10-12: Shank Diameter: 0.127 INCHES MINIMUM AND 0.129 INCHES MAXIMUM IN; Lubrication: CETYL ALCOHOL; Fastener Length: 1.250 INCHES NOMINAL IN; Surface Treatment Document and Classification: HI SHEAR 258 MFR REF ALL TREATMENT RESPONSES OVERALL. 20 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.